/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  transition: all var(--transition-base);
  background: var(--color-white);
  border-bottom: 2px solid var(--color-gold);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
  height: 70px;
}

.header-inner {
  max-width: var(--container-wide);
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-xl);
}

/* --- Logo --- */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-shrink: 0;
  z-index: 1001;
}

.logo-img {
  height: 56px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-base);
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
}

.logo:hover .logo-img {
  transform: scale(1.05);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  background: linear-gradient(135deg, #fff 0%, #f5f5f5 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

.logo-subtitle {
  font-size: 0.7rem;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-hover));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 700;
}

/* --- Main Nav --- */
.main-nav {
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0.6rem 0.85rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-dark);
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-gold);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0.85rem;
  right: 0.85rem;
  height: 2px;
  background: var(--color-gold);
  border-radius: var(--radius-full);
}

.nav-link .dropdown-arrow {
  font-size: 0.6rem;
  transition: transform var(--transition-fast);
}

.nav-item:hover .dropdown-arrow {
  transform: rotate(180deg);
}

/* --- Dropdown Menu --- */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-sm) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
  z-index: 1002;
}

.nav-item:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  display: block;
  padding: 0.65rem 1.25rem;
  font-size: 0.88rem;
  color: var(--color-text);
  transition: all var(--transition-fast);
  font-weight: 500;
}

.dropdown-link:hover {
  background: rgba(15, 82, 87, 0.06);
  color: var(--color-primary);
  padding-left: 1.5rem;
}

/* --- Header CTA --- */
.header-cta {
  margin-left: var(--space-lg);
  flex-shrink: 0;
}

.header-cta .btn {
  padding: 0.6rem 1.4rem;
  font-size: 0.85rem;
  border-radius: var(--radius-full);
}

/* --- Mobile Menu Toggle --- */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  z-index: 1001;
  padding: 4px 0;
}

.mobile-toggle span {
  display: block;
  height: 2.5px;
  background: var(--color-gold);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: translateX(-10px);
}

.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* --- Mobile Nav --- */
@media (max-width: 1100px) {
  .mobile-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-deep) 100%);
    flex-direction: column;
    padding: calc(var(--header-height) + var(--space-xl)) var(--space-xl) var(--space-xl);
    transition: right var(--transition-slow);
    overflow-y: auto;
    z-index: 1000;
  }

  .main-nav.open {
    right: 0;
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.3);
  }

  .nav-list {
    flex-direction: column;
    width: 100%;
    gap: 0;
  }

  .nav-item {
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav-link {
    padding: 1rem 0;
    font-size: 1rem;
    justify-content: space-between;
  }

  .nav-link.active::after {
    display: none;
  }

  .dropdown-menu {
    position: static;
    background: rgba(0, 0, 0, 0.15);
    box-shadow: none;
    border-radius: var(--radius-md);
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
    margin-bottom: var(--space-sm);
  }

  .nav-item.dropdown-open .dropdown-menu {
    display: block;
  }

  .dropdown-link {
    color: rgba(255, 255, 255, 0.8);
    padding: 0.6rem 1rem;
  }

  .dropdown-link:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-white);
    padding-left: 1.25rem;
  }

  .header-cta {
    margin-left: 0;
    margin-top: var(--space-xl);
    width: 100%;
  }

  .header-cta .btn {
    width: 100%;
    justify-content: center;
    border-radius: var(--radius-md);
    padding: 0.85rem;
  }
}

/* Mobile overlay backdrop */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.nav-overlay.active {
  display: block;
  opacity: 1;
}